![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to nfsrvcache.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple XNU] / XNU / bsd / nfs|
Return to nfsrvcache.h CVS log | Up to [Apple XNU] / XNU / bsd / nfs |
1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
23: /*
24: * Copyright (c) 1989, 1993
25: * The Regents of the University of California. All rights reserved.
26: *
27: * This code is derived from software contributed to Berkeley by
28: * Rick Macklem at The University of Guelph.
29: *
30: * Redistribution and use in source and binary forms, with or without
31: * modification, are permitted provided that the following conditions
32: * are met:
33: * 1. Redistributions of source code must retain the above copyright
34: * notice, this list of conditions and the following disclaimer.
35: * 2. Redistributions in binary form must reproduce the above copyright
36: * notice, this list of conditions and the following disclaimer in the
37: * documentation and/or other materials provided with the distribution.
38: * 3. All advertising materials mentioning features or use of this software
39: * must display the following acknowledgement:
40: * This product includes software developed by the University of
41: * California, Berkeley and its contributors.
42: * 4. Neither the name of the University nor the names of its contributors
43: * may be used to endorse or promote products derived from this software
44: * without specific prior written permission.
45: *
46: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
47: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
50: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56: * SUCH DAMAGE.
57: *
58: * @(#)nfsrvcache.h 8.3 (Berkeley) 3/30/95
59: * FreeBSD-Id: nfsrvcache.h,v 1.9 1997/06/03 17:22:47 dfr Exp $
60: */
61:
62:
63: #ifndef _NFS_NFSRVCACHE_H_
64: #define _NFS_NFSRVCACHE_H_
65:
66: /*
67: * Definitions for the server recent request cache
68: */
69:
70: #define NFSRVCACHESIZ 64
71:
72: struct nfsrvcache {
73: TAILQ_ENTRY(nfsrvcache) rc_lru; /* LRU chain */
74: LIST_ENTRY(nfsrvcache) rc_hash; /* Hash chain */
75: u_long rc_xid; /* rpc id number */
76: union {
77: struct mbuf *ru_repmb; /* Reply mbuf list OR */
78: int ru_repstat; /* Reply status */
79: } rc_un;
80: union nethostaddr rc_haddr; /* Host address */
81: u_int32_t rc_proc; /* rpc proc number */
82: u_char rc_state; /* Current state of request */
83: u_char rc_flag; /* Flag bits */
84: };
85:
86: #define rc_reply rc_un.ru_repmb
87: #define rc_status rc_un.ru_repstat
88: #define rc_inetaddr rc_haddr.had_inetaddr
89: #define rc_nam rc_haddr.had_nam
90:
91: /* Cache entry states */
92: #define RC_UNUSED 0
93: #define RC_INPROG 1
94: #define RC_DONE 2
95:
96: /* Return values */
97: #define RC_DROPIT 0
98: #define RC_REPLY 1
99: #define RC_DOIT 2
100: #define RC_CHECKIT 3
101:
102: /* Flag bits */
103: #define RC_LOCKED 0x01
104: #define RC_WANTED 0x02
105: #define RC_REPSTATUS 0x04
106: #define RC_REPMBUF 0x08
107: #define RC_NQNFS 0x10
108: #define RC_INETADDR 0x20
109: #define RC_NAM 0x40
110:
111: #endif
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.